module ActiveRecord # = Active Record Query Cache class QueryCache module ClassMethods # Enable the query cache within the block if Active Record is configured. # If it's not, it will execute the given block. def cache(&block) if connected? connection.cache(&block) else yield end end # Disable the query cache within the block if Active Record is configured. # If it's not, it will execute the given block. def uncached(&block) if connected? connection.uncached(&block) else yield end end end def self.run connection = ActiveRecord::Base.connection enabled = connection.query_cache_enabled connection_id = ActiveRecord::Base.connection_id connection.enable_query_cache! [enabled, connection_id] end def self.complete(state) enabled, connection_id = state ActiveRecord::Base.connection_id = connection_id ActiveRecord::Base.connection.clear_query_cache ActiveRecord::Base.connection.disable_query_cache! unless enabled end def self.install_executor_hooks(executor = ActiveSupport::Executor) executor.register_hook(self) executor.to_complete do unless ActiveRecord::Base.connection.transaction_open? ActiveRecord::Base.clear_active_connections! end end end end end